Micro slide viewer, cost effective giving super quality images, No power requirement and very light weight, Easy to use and teacher can be sure that the entire class will see the key features quickly
Deluxe Box Magnifier, Ideal for Observing Large Insects, Base size: 3 1/2in L x 3 1/2in W x 2 3/4in H, Lens diameter: 2 1/4in, View specimens up close, then set them free. The base of the 3X magnifier covers live specimens for hands-free observation, Clear plastic